Hauhauhā fehokotaki'anga o konumohe: he aha e te matatini o te

Ko te take o te nuinga o tikanga e wātea ana fehokotaki'anga o te konumohe i roto i te puka parakore me ona ngā alloys rawa e hāngai ana i roto i te hononga ki to ratou tono whanui. whakaaro tetahi o nga hangarau noa hauhauhā fehokotaki'anga o konumohe. Tikanga paiherea netermouprochnyaemye alloys konumohe deformable ki nei te hangarau konumohe (tohu AD AD1) e hāngai ana i runga i alloys konumohe, me te konupora (AMts), konumohe, me te konupora (AlMg). Taua alloys arā ngā uaua-ki. No te mea ratou e whakamahia, ki te he taea te maimoatanga wera mo te hanganga.

Alumina hanga kiriata whakangutungutu i runga i te mata o te workpiece (TM Al ₂ E ₃ = 2050 ° C), he kiato nui atu te whakarewa ake. Ki te whakangaromanga o te kiriata waikura o ona matūriki paru i paiherea pati, te fifi i te taha hononga. Na reira hauhauhā fehokotaki'anga o konumohe he pai i muri i tango waikura aunoa ranei turanga waikawa me konganuku filler. whīwhiwhi atu, me te ai he rerekētanga nui i waenganui i te Al, kopiko (TM = 660 ° C) me tona waikura.

A, no te he hauhauhā kakano ia ki kore-whakapau kawehiko Tungsten o te konumohe, tono he nāianei tauutuutu te. I roto i tenei take, huna te kiriata waikura kei roto i te wehenga tawhiti whakamuri hawhe-huringa ka te kawehiko ko 70% whakatupuranga o te pewa wera, me te hua - 30% (ka runanga mona puta).

kaha o te whakarewa heke koi i pāmahana teitei, e taea meinga whakangaromanga o mata wahi unmelted raro i te taimaha o te poka Weld. rewanga nui ake rere faarahi Al te tūponotanga o leakage i te pakiaka o te Weld. I roto i te tikanga ki te ārai i tohu wera me rahunga Weld, ki te whai wāhi ai hangarau fehokotaki'anga hauhauhā whakamana te whakamahi hanga te uku (graphite me maitai) Pads. Così, fehokotakianga ranei nga paparanga whakarewa kotahi-apa tuatahi, me te maha-tui.

He nui haere huru ki warping o alloys konumohe taea te hinga e mau ana i roto i fehokotakianga i runga i nga tikanga pāmahana tino pai, me te painaina i te mongamonga mahi. iti te Weld porosity takanga hauwai, ngā kite i roto i alloys ki konupora, i te tikanga o te whakawera e ki T = 150-250 ° C i mua, me te i roto i kakano ia, a na te horoi tino o ngā tapa me te ka paiherea waea. I roto i te tikanga e kore e ki te puta kapiti wera, e kore kia tū kaimono tata ki tahi i te tahi. Ko reira ano hoki tua taea o ngā pūwhakakē motuhake i roto i te whakarei ake whakarewa.

Hauhauhā konumohe fehokotaki'anga tā te whakamahi o tiaki taiao haurehu waihā o te hau hauhauhā e mangere displacing te huru rangi i te pati Weld me wē pewa. kia ar hāngai (rawa tuatahi ranei piha). Na te ahua nui haere haumāmā, ranunga o te haumāmā, me te hauhauā, ko te rere hau paruru - tetahi whakatinanatanga o te tiaki.

Diameter nonconsumable kawehiko Tungsten (anake parakore, whakamahia ranei lanthanised ittrirovannye) Kei te tīpakohia i runga i te matotoru hua rānei. Ka rite ki te rauemi filler mahi waea fehokotaki'anga o ngā māka, i runga i te hanganga o te hua, me te mata matotoru matua rānei. High-kounga hauhauhā kakano ia ringa ake e taea te whakamana i runga i te nāianei tauutuutu (momo UDG o tāutanga) ki te aratau tika, e kua tīpakohia he welder mātanga. Ko te tīmatanga kia tuatahi kia maheni ki te puna tuhinga, te tauwhāiti nga aratau me mita o kakano ia konumohe.